linux/fs/exfat/file.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2012-2013 Samsung Electronics Co., Ltd.
 */

#include <linux/slab.h>
#include <linux/compat.h>
#include <linux/cred.h>
#include <linux/buffer_head.h>
#include <linux/blkdev.h>
#include <linux/fsnotify.h>
#include <linux/security.h>
#include <linux/msdos_fs.h>
#include <linux/writeback.h>

#include "exfat_raw.h"
#include "exfat_fs.h"

static int exfat_cont_expand(struct inode *inode, loff_t size)
{ … }

static bool exfat_allow_set_time(struct mnt_idmap *idmap,
				 struct exfat_sb_info *sbi, struct inode *inode)
{ … }

static int exfat_sanitize_mode(const struct exfat_sb_info *sbi,
		struct inode *inode, umode_t *mode_ptr)
{ … }

/* resize the file length */
int __exfat_truncate(struct inode *inode)
{ … }

void exfat_truncate(struct inode *inode)
{ … }

int exfat_getattr(struct mnt_idmap *idmap, const struct path *path,
		  struct kstat *stat, unsigned int request_mask,
		  unsigned int query_flags)
{ … }

int exfat_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
		  struct iattr *attr)
{ … }

/*
 * modified ioctls from fat/file.c by Welmer Almesberger
 */
static int exfat_ioctl_get_attributes(struct inode *inode, u32 __user *user_attr)
{ … }

static int exfat_ioctl_set_attributes(struct file *file, u32 __user *user_attr)
{ … }

static int exfat_ioctl_fitrim(struct inode *inode, unsigned long arg)
{ … }

long exfat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{ … }

#ifdef CONFIG_COMPAT
long exfat_compat_ioctl(struct file *filp, unsigned int cmd,
				unsigned long arg)
{ … }
#endif

int exfat_file_fsync(struct file *filp, loff_t start, loff_t end, int datasync)
{ … }

static int exfat_file_zeroed_range(struct file *file, loff_t start, loff_t end)
{ … }

static ssize_t exfat_file_write_iter(struct kiocb *iocb, struct iov_iter *iter)
{ … }

static int exfat_file_mmap(struct file *file, struct vm_area_struct *vma)
{ … }

const struct file_operations exfat_file_operations = …;

const struct inode_operations exfat_file_inode_operations = …;